CN110843228A - Energy-saving and environment-friendly forming process of plastic decorating part - Google Patents
Energy-saving and environment-friendly forming process of plastic decorating part Download PDFInfo
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- CN110843228A CN110843228A CN201911131178.9A CN201911131178A CN110843228A CN 110843228 A CN110843228 A CN 110843228A CN 201911131178 A CN201911131178 A CN 201911131178A CN 110843228 A CN110843228 A CN 110843228A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
Abstract
The invention relates to the technical field of plastic molding, in particular to an efficient molding process of a high-strength plastic decoration. An energy-saving and environment-friendly forming process of a plastic decorating part at least comprises the following process flows of: (1) sheet preparation: the die A is used for manufacturing the sheet; (2) sheet molding: the mold B is used for molding the sheet. The thickness of the sheet prepared by the molding process of the plastic decorating part is adjustable, and the molding method does not need operators to manually participate in a decorating part transfer printing process, so that the instantaneous high-temperature energy consumption of a die cutting device is reduced, and the energy is saved and the environment is protected; the use amount of the sheet is greatly saved, the production efficiency of transfer printing of the decorative shell is improved, the labor intensity of operators is reduced, the production cost is reduced, the uncertainty caused by manual operation of the operators and uneven temperature of the membrane is avoided, and the transfer printing quality of the decorative part is improved.
Description
Technical Field
The invention relates to the technical field of design and manufacture of plastic decorating parts, in particular to an energy-saving and environment-friendly forming process of a plastic decorating part.
Background
The general plastic decoration molding process includes: flat printing-embossing (die cutting) -injection molding-forming. In order to obtain a beautiful appearance of parts, the decoration requirements are increasing, and various patterns need to be transferred on the decoration. In the prior art, the heat transfer printing technology is developed mature and is mostly applied to full-area decoration. The comprehensive application of the insert injection molding and the in-film decoration technology can reduce the production cost and improve the transfer printing effect to a certain extent. However, in the actual production and manufacturing process, operators complete a plurality of inter-process operations, the production efficiency is low, the quality stability is poor, the instantaneous high-temperature energy consumption loss is large, and the waste is serious.
In order to overcome the defects in the prior art, the invention provides an energy-saving and environment-friendly molding process of a plastic decoration. According to the method, an operator does not need to manually participate in the decoration piece transfer printing process, instantaneous high-temperature energy consumption of the die cutting device is reduced, the production efficiency of decoration shell transfer printing is improved, the labor intensity of the operator is reduced, the production cost is reduced, uncertainty caused by manual operation of the operator and uneven membrane temperature is avoided, the transfer printing quality of the decoration piece is improved, and waste of raw materials is avoided.
Disclosure of Invention
In order to achieve the above object, a first aspect of the present invention provides an energy-saving and environment-friendly molding process for plastic decoration, which at least comprises the following process flows:
(1) sheet preparation: the die A is used for manufacturing the sheet;
(2) sheet molding: the mold B is used for molding the sheet.
As a preferable technical scheme of the invention, the sheet prepared in the step (1) is a plane sheet.
As a preferred embodiment of the present invention, the planar sheet includes a carrier layer and a decorative layer.
In a preferred embodiment of the present invention, the raw material of the carrier layer is at least one selected from acrylonitrile-butadiene-styrene copolymer, polystyrene, polypropylene, polyethylene, polycarbonate, polybutylene terephthalate, polyvinyl chloride, polyethylene terephthalate, ethylene-vinyl acetate copolymer, nylon, polymethyl methacrylate, polyamide, polyoxymethylene, polytetrafluoroethylene, polyester, polysulfone, polyimide, polyphenylene oxide, phenolic plastic, urea-formaldehyde plastic, and cellulose nitrate plastic.
As a preferred technical solution of the present invention, after the sheet is prepared in the step (1), the method further comprises sheet transfer.
As a preferable aspect of the present invention, in the step (2), the mold B has a temperature adjusting function.
As a preferable technical scheme of the invention, the temperature of the die B is similar to that of the sheet prepared in the step (1).
As a preferable technical solution of the present invention, in the step (2), after the sheet is formed, the sheet cutting is further included.
A second aspect of the invention provides a plastic decorative item prepared according to the energy-saving and environment-friendly molding process described above.
The third aspect of the invention provides the application of the decorative product, which can be applied to the surface modification of plastic parts.
Has the advantages that: the invention provides an energy-saving and environment-friendly molding process of a plastic decoration. The method does not need operators to manually participate in the decoration transfer printing process, reduces the instantaneous high-temperature energy consumption of the die cutting device, and is energy-saving and environment-friendly; the very big quantity of having practiced thrift the sheet not only promotes the production efficiency of decoration rendition, still reduces operation personnel intensity of labour, and reduction in production cost avoids because of the uncertainty that operation personnel manual work and diaphragm temperature are inhomogeneous brings, improves the rendition quality of decoration.
Drawings
Fig. 1 is a schematic structural view of a plastic ornament provided in embodiment 1 of the present invention.
Detailed Description
The disclosure may be understood more readily by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.
In order to solve the technical problems, the first aspect of the invention provides an energy-saving and environment-friendly molding process of a plastic decoration, which at least comprises the following process flows:
(1) sheet preparation: the die A is used for manufacturing the sheet;
(2) sheet molding: the mold B is used for molding the sheet.
Sheet production
In the present invention, the sheet is made by the mold a.
In the invention, the sheet prepared by the die A is a plane sheet.
In the present invention, the planar sheet includes a support layer and a decorative layer.
The manufacturing method of the sheet comprises the following steps: and injecting the IMR film of the decorative layer and the raw materials of the carrier layer in a molten state into the mold A, and curing to obtain the decorative layer.
Preferably, the raw material of the carrier layer is at least one selected from acrylonitrile-butadiene-styrene copolymer, polystyrene, polypropylene, polyethylene, polycarbonate, polybutylene terephthalate, polyvinyl chloride, polyethylene terephthalate, ethylene-vinyl acetate copolymer, nylon, polymethyl methacrylate, polyamide, polyformaldehyde, polytetrafluoroethylene, polyester, polysulfone, polyimide, polyphenylene oxide, phenolic plastic, urea plastic and cellulose nitrate plastic.
Preferably, the temperature and other parameter settings of the mold a during the sheet manufacturing process depend on the plastic material.
In the invention, the thickness of the carrier layer is 0.1-30 mm.
Preferably, the support layer has a thickness of 0.2 to 10 mm.
In the invention, the thickness of the decorative layer is 5-100 μm.
Preferably, the decorative layer has a thickness of 10 to 80 μm.
In the invention, in the step (1), after the sheet is manufactured, the sheet transfer is further included.
The sheet material transfer means that a protective film, such as PET paper, on the surface of the sheet material is torn off.
Sheet forming
In the invention, the sheet molding refers to that the sheet prepared in the step (1) is subjected to compression molding by a mold B to obtain the sheet.
In the invention, the die B has a temperature adjusting function; the temperature of the die B is similar to that of the sheet prepared in the step (1).
The inventor thinks that the mould B with the temperature adjusting function can effectively reduce high-temperature energy consumption, save sheets, improve the production efficiency of sheet forming, reduce the production cost, avoid uncertainty caused by manual operation of operators and uneven temperature of the membrane and improve the transfer printing quality of the decorating part.
In the present invention, in the step (2), after the sheet is formed, the sheet cutting is further included.
The sheet shearing means that waste material shearing is carried out on the formed sheet to obtain the sheet with a certain shape, and the using amount of the sheet in the sheet injection molding decoration piece can be saved.
In the present invention, after the sheet is molded, the molded sheet is injection molded into a decorative part.
As a preferable material for the injection molding, there is no particular limitation, and acrylonitrile-butadiene-styrene copolymer, polystyrene, polypropylene, polyethylene, polycarbonate, polybutylene terephthalate, polyvinyl chloride, polyethylene terephthalate, ethylene-vinyl acetate copolymer, nylon, polymethyl methacrylate, polyamide, polyoxymethylene, polytetrafluoroethylene, polyester, polysulfone, polyimide, polyphenylene oxide, phenol plastic, urea plastic, cellulose nitrate plastic, and the like can be mentioned.
As a preference, the method of the injection molding is not particularly limited, and compression molding, injection molding, extrusion molding, blow molding, calendering, lamination and the like can be mentioned.
Preferably, the temperature and other parameter settings in the injection molding apparatus are dependent on the material used for injection molding.
A second aspect of the invention provides a plastic decorative item prepared according to the energy-saving and environment-friendly molding process described above.
The third aspect of the invention provides the application of the decorative product, which can be applied to the surface modification of various plastic parts.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Examples
Example 1
Embodiment 1 provides a plastic ornament as shown in fig. 1, the molding process of which comprises:
(1) sheet production
The planar sheet provided in example 1 was produced from a mold a and comprised a support layer and a decorative layer.
The raw material of the carrier layer is acrylonitrile-butadiene-styrene copolymer.
The curing temperature of the mold a was 220 ℃.
The thickness of the carrier layer was 0.18 mm.
The thickness of the decorative layer is 20 μm.
After the sheet is manufactured, the PET protective film on the surface is torn off through sheet transfer.
(2) Sheet forming
And (2) the sheet molding refers to that the sheet prepared in the step (1) is molded through a mold B to obtain the product.
The die B has a temperature adjusting function, the temperature of the die B is increased to 220 ℃ before the sheet material prepared in the step (1) enters the die B, the temperature of the die B is consistent with the temperature of the sheet material, instantaneous high-temperature energy consumption during sheet material forming can be reduced, and sheet material waste in the prior art is avoided in the sheet material forming step.
And after the sheet is formed, shearing the waste material of the sheet by a die cutting device to obtain the sheet with a certain shape.
And injection molding the molded sheet to obtain the decorative part shown in figure 1.
The raw material for injection molding is acrylonitrile-butadiene-styrene copolymer; the injection molding temperature was 200 ℃.
Example 2
Example 2 is a commercially available sheet having a thickness of 0.2 mm.
Performance testing
The sheets provided in examples 1 and 2 were tested for tensile strength using three types of dies B having a tensile height of 1mm, 3mm, and 5mm, and after the sheet forming step, no crack was found on the sheet surface and was designated as "pass", and the presence of a crack on the sheet surface was designated as "fail". The test results are shown in Table 1.
TABLE 1 tensile Strength test results for sheets provided in examples 1 and 2
| 1mm | 3mm | 5mm | |
| Example 1 | Qualified | Qualified | Qualified |
| Example 2 | Qualified | Fail to be qualified | Fail to be qualified |
It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are given by way of illustration only, since various changes in the details of the invention may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. An energy-saving environment-friendly forming process of a plastic decorating part is characterized by at least comprising the following process flows of:
(1) sheet preparation: the die A is used for manufacturing the sheet;
(2) sheet molding: the mold B is used for molding the sheet.
2. The molding process according to claim 1, wherein the sheet produced in step (1) is a planar sheet.
3. The molding process of claim 2, wherein the planar sheet includes a carrier layer and a decorative layer.
4. The molding process of claim 3, wherein the carrier layer is made of at least one material selected from the group consisting of acrylonitrile-butadiene-styrene copolymer, polystyrene, polypropylene, polyethylene, polycarbonate, polybutylene terephthalate, polyvinyl chloride, polyethylene terephthalate, ethylene-vinyl acetate copolymer, nylon, polymethyl methacrylate, polyamide, polyoxymethylene, polytetrafluoroethylene, polyester, polysulfone, polyimide, polyphenylene oxide, phenolic plastic, urea-formaldehyde plastic, and cellulose nitrate plastic.
5. The molding process according to claim 1, further comprising sheet transfer after the sheet is produced in step (1).
6. The molding process according to claim 1, wherein in the step (2), the mold B has a temperature adjusting function.
7. The molding process according to claim 6, wherein the temperature of the mold B is similar to the temperature of the sheet obtained in step (1).
8. The forming process according to claim 1, wherein in the step (2), after the sheet is formed, the sheet cutting is further included.
9. A plastic decorative item, wherein the decorative item is produced by a moulding process according to any one of claims 1 to 8.
10. Use of a decorative product according to claim 9 for surface decoration of plastic parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131178.9A CN110843228A (en) | 2019-11-19 | 2019-11-19 | Energy-saving and environment-friendly forming process of plastic decorating part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131178.9A CN110843228A (en) | 2019-11-19 | 2019-11-19 | Energy-saving and environment-friendly forming process of plastic decorating part |
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| CN110843228A true CN110843228A (en) | 2020-02-28 |
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| CN201911131178.9A Pending CN110843228A (en) | 2019-11-19 | 2019-11-19 | Energy-saving and environment-friendly forming process of plastic decorating part |
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Citations (7)
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|---|---|---|---|---|
| CN1978176A (en) * | 2005-12-01 | 2007-06-13 | 晟翰实业有限公司 | Method for film multiple jet-out plastic jointing |
| CN102756451A (en) * | 2011-04-27 | 2012-10-31 | 谷崧精密工业股份有限公司 | Manufacturing method of double-color shell structure |
| CN103240842A (en) * | 2013-04-23 | 2013-08-14 | 重庆斯伯莱德塑料制品有限公司 | In-mold decoration injection process |
| JP2013237181A (en) * | 2012-05-15 | 2013-11-28 | Ube Machinery Corporation Ltd | Injection molding apparatus and film insert molding method of laminated molding |
| JP2014156048A (en) * | 2013-02-15 | 2014-08-28 | Nissha Printing Co Ltd | Method for manufacturing resin product |
| CN106182577A (en) * | 2016-07-13 | 2016-12-07 | 王朝翔 | Outer surface has the processing technique of the injection clad of protruding figure panel and has the panel that visual angle, surface is three-dimensional of clad |
| CN107399042A (en) * | 2017-07-17 | 2017-11-28 | 福建省石狮市通达电器有限公司 | A kind of IMF watchbands moulding process and its IMF watchbands |
-
2019
- 2019-11-19 CN CN201911131178.9A patent/CN110843228A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1978176A (en) * | 2005-12-01 | 2007-06-13 | 晟翰实业有限公司 | Method for film multiple jet-out plastic jointing |
| CN102756451A (en) * | 2011-04-27 | 2012-10-31 | 谷崧精密工业股份有限公司 | Manufacturing method of double-color shell structure |
| JP2013237181A (en) * | 2012-05-15 | 2013-11-28 | Ube Machinery Corporation Ltd | Injection molding apparatus and film insert molding method of laminated molding |
| JP2014156048A (en) * | 2013-02-15 | 2014-08-28 | Nissha Printing Co Ltd | Method for manufacturing resin product |
| CN103240842A (en) * | 2013-04-23 | 2013-08-14 | 重庆斯伯莱德塑料制品有限公司 | In-mold decoration injection process |
| CN106182577A (en) * | 2016-07-13 | 2016-12-07 | 王朝翔 | Outer surface has the processing technique of the injection clad of protruding figure panel and has the panel that visual angle, surface is three-dimensional of clad |
| CN107399042A (en) * | 2017-07-17 | 2017-11-28 | 福建省石狮市通达电器有限公司 | A kind of IMF watchbands moulding process and its IMF watchbands |
Non-Patent Citations (2)
| Title |
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| 李锦嘉编: "《塑料印刷工艺》", 30 April 1992, 印刷工业出版社 * |
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